Finding the Fourth Proportional to 2,773.56, 3,823.02 and 2,618.04

Step by Step Solution

1. Step 1: Write the proportion equation
   2,773.56 : 3,823.02 = 2,618.04 : x
2. Step 2: Convert to fraction form
   2,773.56/3,823.02 = 2,618.04/x
3. Step 3: Cross multiply
   2,773.56x = 3,823.02 × 2,618.04
4. Step 4: Simplify right side
   2,773.56x = 10,008,819.28
5. Step 5: Solve for x
   x = 10,008,819.28/2,773.56
6. Step 6: Final answer
   x = 3,608.65